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Mucinex User Reviews & Ratings (Page 5)

Mucinex has an average rating of 6.2 out of 10 from a total of 155 reviews on Drugs.com. 55% of reviewers reported a positive experience, while 34% reported a negative experience.

Reviews for Mucinex

Commonly mentioned side effects
  • nin...
  • May 19, 2014

For Fibromyalgia "I started using 1200 mg 2x a day about 5 days ago, and it really works. I can't believe it truly works."

10 / 10
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94 Report
  • Anonymous
  • November 6, 2011

For Bronchitis "My doctor recommended this for me when I had bronchitis. It worked wonders. Now every time I feel that wet cough coming back, I pull this out."

9 / 10
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110 Report
  • Anonymous
  • October 29, 2008

For Fibromyalgia "I thought this was crazy, but when you are in pain all the time and can't afford to go to the doctor, you will try anything... It really works"

8 / 10
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112 Report

Frequently asked questions

  • Car...
  • Taken for less than 1 month
  • April 11, 2016

For Bronchitis "Helped loosen this putty gunk in my lungs, making my coughing more effective and requiring less effort."

7 / 10
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75 Report
  • Anonymous
  • December 20, 2010

For Bronchitis "I've had bronchitis for several weeks now, and this medicine made such a difference since I took it today. I am so grateful someone came up with this medicine. So far, very pleased with the product."

10 / 10
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93 Report

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  • Wha...
  • Taken for less than 1 month
  • February 26, 2015

For Bronchitis "I took Mucinex. It works wonders, but the smell/taste of it is horrible."

9 / 10
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71 Report
  • Anonymous
  • February 26, 2012

For Bronchitis "This med works great for congestion associated with a cold. As someone else stated... It does give you some really strange dreams though!"

9 / 10
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80 Report

More FAQ

  • Anonymous
  • October 20, 2009

For Fibromyalgia "Wonderful results after only a week. Not nearly as stiff, does not make me tired, and effects last 10-12 hours. A blessing it can be bought over the counter."

9 / 10
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72 Report
  • Anonymous
  • November 6, 2009

For Bronchitis "This drug is a life saver for my wife, but take it at the very first sign of trouble, and drink lots of water with it."

9 / 10
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70 Report
  • Anonymous
  • January 4, 2015

For Cough "Had a terrible dry cough, and Mucinex helped break the cough. It was easier for me to cough up my phlegm."

9 / 10
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49 Report
  • Anonymous
  • August 29, 2009

For Bronchitis "This is the only medicine that helps loosen nasal mucus without the side effects like sleepiness or jitters that most of the sinus medications give me. It's great!"

9 / 10
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62 Report
  • Dee...
  • Taken for less than 1 month
  • February 26, 2018

For Bronchitis "Great results for bronchial congestion/mucus buildup."

10 / 10
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29 Report
  • Sup...
  • May 19, 2017

For Cough "I took one, and I feel like I'm high. I am so dizzy I can't see straight, I feel like I'm floating. There is no way I am taking this again."

1 / 10
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34 Report
  • Bob...
  • September 21, 2011

For Cough "Very effective for the sinus congestion and sinus drip. However, continuous use resulted in leg cramps at night. Interfered with sleep. Research says that it can reduce blood flow to legs."

4 / 10
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41 Report
  • Dil...
  • Taken for less than 1 month
  • July 17, 2014

For Cough "The side effect was sleeplessness. First night, I was up until 4:00 AM, next night up until 07:00 AM, and again last night I could not sleep. I was taking the Mucinex as prescribed every 12 hours."

8 / 10
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42 Report
  • Lar...
  • June 7, 2013

For Cough "Works okay, but for serious cough problems, get prescription-level medicine. Does help bring up phlegm. Drink lots of water, it will help bring up the mucus faster."

7 / 10
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36 Report
  • Tis...
  • Taken for less than 1 month
  • July 19, 2019

For Cough "Worked for me straight after taking 1st tablet."

10 / 10
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20 Report
  • agr...
  • December 31, 2014

For Cough "My cough was so bad that I now have an umbilical hernia, but the Mucinex worked. I only took it in the morning because it did cause sleeplessness."

9 / 10
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34 Report
  • Anonymous
  • October 20, 2014

For Cough "I've been up for hours, throwing up and having diarrhea after taking this."

2 / 10
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61 Report
  • Anonymous
  • August 2, 2009

For Fibromyalgia "I can't take any form of Mucinex, or its generics, without becoming totally lethargic. I turn into a complete zombie. I'm happy for those of you who find relief with it, but for me, it's a total fail."

1 / 10
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45 Report
  • Wat...
  • December 7, 2017

For Bronchitis "I took it for about 8 days, and when taking the one every 12 hours and plenty of liquids along with Nyquil... I am so much better. Should be good in a few more days!"

9 / 10
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19 Report
  • SSa...
  • Taken for less than 1 month
  • July 10, 2019

For Cough "Took a whole course of these - the whole pack. Not working. I now have bronchitis."

2 / 10
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15 Report
  • Anonymous
  • Taken for 6 months to 1 year
  • November 22, 2024

For Bronchiectasis "Much better than Breo Elipta to decrease mucus and improve breathing."

10 / 10
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2 Report
  • Anonymous
  • October 31, 2011

For Cough "I took one tablet 12 hours ago and have been feeling very sick ever since. My nose is running, coughing, and feeling terrible, as if I had a bad cold. Not taking any more!"

1 / 10
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27 Report
  • Anonymous
  • April 11, 2011

For Cough "This medicine made me sick. I took one 12-hour slow-release tablet with a large glass of water, and it's a week later, and I still feel nauseated."

1 / 10
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28 Report

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Reviews may be edited to correct grammar/spelling or remove inappropriate content. Reviews appearing to come from parties with a vested interest are not published. This information is not intended to endorse any medication and should not replace the expertise and judgment of healthcare professionals.